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“In a recent double-blind placebo-controlled trial involving 27 healthy older adults (average age, 62 years) with at least one risk factor for diabetes, each of the study participants engaged in three 45-minute aerobic exercise training sessions per week for 12 weeks using a treadmill, stationary cycle, or elliptical machine.”
“In an attempt to control for the healthy user bias (the possibility that people who take multivitamins may have better lifestyle habits than nonusers), the statistical analyses were adjusted for confounding factors like age, sex, education, alcohol and tobacco use, BMI, physical activity, diet quality, family history of cancer, and the use of other supplements.”
“Compared with no resistance training, 90–119 minutes per week was associated with a 13% lower rate of death from any cause, a 19% lower rate of cardiovascular death, and a 27% lower rate of neurological disease death after accounting for aerobic activity and other health and lifestyle factors.”
“Using isotope tracers that allowed them to distinguish NAD+ made directly from NR or NMN versus NAD made from nicotinamide, NR, or NMN, they found that a low oral dose of the precursors (50 milligrams per kilogram body weight, mg/kg/bw) produced very low levels of NAD+ made directly from NR and NMN in the liver but not in other tissues.”
“For example, a large, population-based study that drew data from more than 170,000 men and women between the ages of 30 and 75 years showed that animal protein intake was associated with increased death rates only when the participants had at least one unhealthy lifestyle risk factor such as smoking, heavy alcohol consumption, physical inactivity, or being overweight or obese.”
“In a study involving diet-induced diabetic mice, injection of 500 milligrams per kilogram of body weight (mg/kg/bw) of nicotinamide mononucleotide administered for seven days enhanced insulin sensitivity and improved glucose intolerance compared to that observed among mice not given nicotinamide mononucleotide.”
“Obesity In a study in which mice were fed a diet that was high in fat and sugar and received a 400-milligram per kilogram of body weight (mg/kg/bw) nicotinamide riboside supplement every day for one week, the mice gained 60 percent less fat, exhibited improved insulin sensitivity, and demonstrated greater endurance and muscle strength, compared to mice that did not receive the supplement.”
Omega-3 fatty acids play critical roles in human health and may be beneficial in ameliorating symptoms associated with chronic health conditions and in combating aging-related diseases.
“Authors of a 2021 study recruited 50 participants (between ages 18 and 75 years) who were not consuming dietary supplements or large quantities of olive oil (greater than one tablespoon per day).”
“A meta-analysis led by Dr. Stuart Phillips found that individuals consuming 1.6 grams of protein per kilogram of body weight daily while engaging in resistance training increased their muscle mass by 27% and their strength by 10%, compared to those who trained without extra protein.”